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WAEC Physics 2017 Theory — Question 23

Question 23 of 33 from the West African Examinations Council (WAEC) Physics 2017 Theory paper, with the correct answer and a full explanation.

10(c)(i) Draw and label a diagram of an astronomical telescope in normal adjustment

Diagram for question 23

Model answer

A labelled diagram of an astronomical telescope showing the objective lens and eyepiece lens, with the object at infinity, rays converging to form a final image, and (at normal adjustment) the distance between the lenses equal to fo+fe.

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